

The following includes answers to common questions about Keogh, SEP, and SIMPLE contributions.
Why is my Keogh, SEP, SIMPLE, or other qualified plan deduction not calculating?
How do I calculate the maximum allowable Keogh deduction?
How do I calculate the maximum allowable SEP deduction?
How do I calculate the maximum allowable solo 401(k) deduction?
How do I calculate the maximum allowable SARSEP deduction?
How do I enter a contribution rate different than the default rate of 25 percent for Keogh and SEP plans?
How do I calculate the maximum allowable SIMPLE plans deduction?
How do I enter catch-up contributions for the purposes of computing the contribution deduction for self-employed SIMPLE, SEP, or Keogh plans?
In the Keogh, 401(K) and SEP Plan Contribution Worksheet, why doesn't the deduction for self-employment tax in Step 2 match the deduction for self-employment tax reported on Form 1040, Schedule 1, line 27?
How do I enter an employer-matching contribution rate different than the default rate of 3 percent for a SIMPLE plan?
How do I include an elective deferral in the calculation of a self-employment retirement plan deduction?
Are there any special requirements for SIMPLE plans?
The taxpayer has a Schedule C with income, a Schedule F with a loss, and has an overall loss from self-employment income. Why is the Schedule C with the Keogh plan still getting a Keogh deduction?
How does modified adjusted gross income calculate when there are KEOGH, SEP, or SIMPLE adjustments on the return?
Why is Screen Keogh grayed out when the Schedule K-1 is from an S Corporation?